Methods and apparatuses for energy saving

Abstract

An energy saving indication method and apparatus, a device, and a readable storage medium, are provided. The method includes: receiving first DCI, where the first DCI includes: a first indication; and determining a PDCCH monitoring behavior based on the first DCI, where the first indication is used to indicate at least one of the following: switching to a target search space group or skipping PDCCH monitoring.

The invention claimed is: 
     
         1 . A method, performed by a terminal, for saving energy, wherein the method comprises:
 receiving first Downlink Control Information (DCI), wherein the first DCI comprises a first indication; and   determining a Physical Downlink Control CHannel (PDCCH) monitoring behavior based on the first DCI,   wherein the first indication comprises two bits, wherein:
 when the two bits have a first value, the two bits indicate switching to a target search space group; and 
 when the two bits have a second value, the two bits indicate skipping PDCCH monitoring. 
   
     
     
         2 . The method according to  claim 1 , wherein
 when the two bits have a third value, the two bits indicate switching to the target search space group and skipping PDCCH monitoring.   
     
     
         3 . The method according to  claim 1 , wherein the first DCI further comprises a second indication, and the second indication is used to indicate a first time interval, wherein the determining a PDCCH monitoring behavior based on the first DCI comprises:
 determining a PDCCH monitoring behavior within the first time interval or after the first time interval based on the first DCI.   
     
     
         4 . The method according to  claim 3 , wherein the determining a PDCCH monitoring behavior within the first time interval or after the first time interval based on the first DCI comprises any one of the following:
 when the two bits indicate switching to the target search space group, monitoring the PDCCH by using the target search space group within the first time interval; or   when the two bits indicate switching to the target search space group, monitoring the PDCCH by using the target search space group within the first time interval, and monitoring the PDCCH by using the second search space group after the first time interval.   
     
     
         5 . The method according to  claim 3 , wherein the determining a PDCCH monitoring behavior within the first time interval or after the first time interval based on the first DCI comprises any one of the following:
 when the two bits indicate skipping PDCCH monitoring, skipping PDCCH monitoring within the first time interval; or   when the two bits indicate skipping PDCCH monitoring, skipping PDCCH monitoring within the first time interval, and monitoring the PDCCH by using the second search space group after the first time interval.   
     
     
         6 . The method according to  claim 3 , wherein the determining a PDCCH monitoring behavior within the first time interval or after the first time interval based on the first DCI comprises any one of the following:
 when the two bits indicate switching to the target search space group and skipping PDCCH monitoring, skipping PDCCH monitoring within the first time interval, and monitoring the PDCCH by using the target search space group after the first time interval; or   when the two bits indicate switching to the target search space group and skipping PDCCH monitoring, skipping PDCCH monitoring within the first time interval, and monitoring the PDCCH by using the second search space group after the first time interval.   
     
     
         7 . The method according to  claim 3 , wherein a unit of the first time interval is any one of the following:
 a slot;   a symbol;   a millisecond;   a PDCCH monitoring period of the target search space group;   a PDCCH monitoring period of a current search space group; or   a Discontinuous Reception (DRX) cycle.   
     
     
         8 . The method according to  claim 3 , wherein a start moment of the first time interval is at least one of the following:
 an effective moment of the first indication;   an application moment of the first indication; or   a start moment of a specific time unit after receiving the first DCI.   
     
     
         9 . The method according to  claim 8 , wherein an interval between the effective moment of the first indication and finishing receiving the first DCI is an effective delay of the first indication, or an interval between the application moment of the first indication and finishing receiving the first DCI is an application delay of the first indication. 
     
     
         10 . The method according to  claim 1 , wherein before receiving the first DCI, the method further comprises:
 obtaining information about a first search space group or a second search space group,   wherein the first search space group is not associated with any search space or the first search space group is not configured with configuration information related to PDCCH monitoring, and the second search space group is used for PDCCH monitoring after a first time interval.   
     
     
         11 . The method according to  claim 10 , wherein the first search space group or the second search space group is configured by a network side device or specified by a protocol. 
     
     
         12 . The method according to  claim 10 , wherein the second search space group comprises at least one of the following:
 an arbitrary search space group;   a default search space group;   the first search space group; or   a current search space group in search space groups configured in a network.   
     
     
         13 . The method according to  claim 1 , wherein the target search space group comprises at least one of the following:
 an arbitrary search space group in search space groups configured in a network;   a default search space group; or   the first search space group.   
     
     
         14 . A terminal, comprising a processor, a memory, and a program stored in the memory and executable on the processor, wherein when the program is executed by the processor, the method according to  claim 1  is implemented. 
     
     
         15 . The method according to  claim 1 , wherein when the two bits have the first value, the two bits indicate switching from a first search space group to the target search space group. 
     
     
         16 . A method, performed by a network side device, for saving energy wherein the method comprises:
 sending first Downlink Control Information (DCD), wherein the first DCI comprises a first indication, and the first DCI is used for a terminal to determine a PDCCH monitoring behavior,   wherein the first indication comprises two bits, wherein:
 when the two bits have a first value the two bits indicate switching to a target search space group; and 
 when the two bits have a second value, the two bits indicate skipping PDCCH monitoring. 
   
     
     
         17 . A network side device, comprising a processor, a memory, and a program stored in the memory and executable on the processor, wherein when the program is executed by the processor, steps of the method according to  claim 15  is implemented. 
     
     
         18 . The method according to  claim 16 , wherein when the two bits have a third value, the two bits indicate switching to the target search space group and skipping PDCCH monitoring. 
     
     
         19 . An apparatus for saving energy, comprising:
 a memory configured to store computer-readable instructions; and   a processor coupled to the memory and configured to execute the computer-readable instructions, wherein the computer-readable instructions, when executed by the processor, cause the processor to perform operations comprising:   receiving first Downlink Control Information (DCI), wherein the first DCI comprises a first indication; and   determining a Physical Downlink Control CHannel (PDCCH) monitoring behavior based on the first DCI,   wherein the first indication comprises two bits, wherein;
 when the two bits have a first value, the two bits indicate switching to a target search space group; and 
 when the two bits have a second value, the two bits indicate skipping PDCCH monitoring. 
   
     
     
         20 . The apparatus according to  claim 19 , wherein
 when the two bits have a third value, the two bits indicate switching to the target search space group and skipping PDCCH monitoring.